A KJ-2000 airborne early warning (AEW) aircraft taxies toward the runway at a military airport during the "Red Sword-2016" systemic confrontation training exercise held by the Chinese PLA Air Force in deep desert on Nov. 10, 2016. The "Red Sword-2016", involving various arms of services from the Air Force such as aviation, ground-to-air missile, radar, electronic countermeasure troops, aimed to beef up the troops' systematic combat capabilities. It is also one of the four key training brands of the PLA Air Force, along with the "Golden Dart", "Golden Helmet" and "Blue Shield". (Photo source: 81.cn)